Home / 6,477,145.60-9,715,718.40-2,688,678.40

Finding the Fourth Proportional to 6,477,145.60, 9,715,718.40 and 2,688,678.40

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Solution

The fourth proportional to 6,477,145.60, 9,715,718.40 and 2,688,678.40 is: 4,033,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,145.60 : 9,715,718.40 = 2,688,678.40 : x
  2. Step 2: Convert to fraction form
    6,477,145.60/9,715,718.40 = 2,688,678.40/x
  3. Step 3: Cross multiply
    6,477,145.60x = 9,715,718.40 × 2,688,678.40
  4. Step 4: Simplify right side
    6,477,145.60x = 26,122,442,202,562.56
  5. Step 5: Solve for x
    x = 26,122,442,202,562.56/6,477,145.60
  6. Step 6: Final answer
    x = 4,033,017.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.